| A Gift for God: Prayers and Meditations (1975) by Mother Teresa |
| A New Book of Spiritual Physik (1555) by William Turner |
| Autobiography of a Yogi (1946) by Paramahansa Yogananda |
| Brida (1990) by Paulo Coelho |
| By the River Piedra I Sat Down and Wept (1994) by Paulo Coelho |
| Christian Mysticism (1899) by Dean Inge |
| Clarity & Connection (2021) by Yung Pueblo |
| Do Less, Achieve More (1998) by Chin-Ning Chu |
| Ethics for the New Millennium (1999) by Dalai Lama |
| Faith: A Journey For All (2018) by Jimmy Carter |
| Fruits of Solitude (1693) by William Penn |
| God Has a Dream: A Vision of Hope for Our Time (2004) by Desmond Tutu |
| God Talks With Arjuna: The Bhagavad Gita (1995) by Paramahansa Yogananda |
| Grandad's Prayers of the Earth (1999) by Douglas Wood |
| Gravity and Grace (1947) by Simone Weil |
| How to Know God (2000) by Deepak Chopra |
| How to Practice: The Way to a Meaningful Life (2002) by Dalai Lama |
| In My Own Words (1996) by Mother Teresa |
| Inward (2018) by Yung Pueblo |
| Man and Woman God Made Them (2007) by Jean Vanier |
| Man's Eternal Quest (1975) by Paramahansa Yogananda |
| Meister Eckhart: Sermons and Treatises (1987) by Meister Eckhart |
| Meister Eckhart: Teacher and Preacher (1986) by Meister Eckhart |
| Mother Teresa: Come Be My Light (2007) by Mother Teresa |
| My Religion (1955) by Mahatma Gandhi |
| No Greater Love (1997) by Mother Teresa |
| Ordinary People as Monks and Mystics (1986) by Marsha Sinetar |
| Selected Writings (1994) by Meister Eckhart |
| Some Fruits of Solitude in Reflections and Maxims (1693) by William Penn |
| Tao Te Ching (-4) by Lao Tzu |
| The Application of Redemption by the Effectual Work of the Word and Spirit of Christ for the Bringing-home of Lost Sinners to God (1657) by Thomas Hooker |
| The Art of Happiness (1998) by Dalai Lama |
| The Book of Forgiving: The Fourfold Path for Healing Ourselves and Our World (2014) by Desmond Tutu |
| The Complete Mystical Works of Meister Eckhart (2009) by Meister Eckhart |
| The Divine Romance (1986) by Paramahansa Yogananda |
| The Essential Gandhi (1962) by Mahatma Gandhi |
| The Essential Sermons, Commentaries, Treatises, and Defense (1981) by Meister Eckhart |
| The Garden of Roses (1450) by Thomas Kempis |
| The Imitation of Christ (1418) by Thomas Kempis |
| The Joy in Loving: A Guide to Daily Living (1997) by Mother Teresa |
| The Seven Spiritual Laws of Success (1994) by Deepak Chopra |
| The Soul of the Indian (1911) by Charles Eastman |
| The Soul's Preparation for Christ (1632) by Thomas Hooker |
| The Unbeliever's Preparing for Christ (1635) by Thomas Hooker |
| The Universe in a Single Atom: The Convergence of Science and Spirituality (2005) by Dalai Lama |
| The Valkyries (1992) by Paulo Coelho |
| The Way of the Wizard (1995) by Deepak Chopra |
| Waiting for God (1950) by Simone Weil |
| Whispers From Eternity (1949) by Paramahansa Yogananda |
 Working with the Law (1964) by Raymond Holliwell |
